EP1298890B1 - Tragbares und klappbares Informationsendgerät - Google Patents

Tragbares und klappbares Informationsendgerät Download PDF

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Publication number
EP1298890B1
EP1298890B1 EP02021875A EP02021875A EP1298890B1 EP 1298890 B1 EP1298890 B1 EP 1298890B1 EP 02021875 A EP02021875 A EP 02021875A EP 02021875 A EP02021875 A EP 02021875A EP 1298890 B1 EP1298890 B1 EP 1298890B1
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EP
European Patent Office
Prior art keywords
unit
information terminal
display
portable information
foldable portable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
EP02021875A
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English (en)
French (fr)
Other versions
EP1298890A3 (de
EP1298890A2 (de
Inventor
Masatamo Mizuta
Kazuo Ohtsuta
Kiyoshi Kohayakawa
Michio Nagai
Mika Fujii
Masaki Shimamura
Mitsuru Sendouda
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NEC Corp
Original Assignee
NEC Corp
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Filing date
Publication date
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Publication of EP1298890A2 publication Critical patent/EP1298890A2/de
Publication of EP1298890A3 publication Critical patent/EP1298890A3/de
Application granted granted Critical
Publication of EP1298890B1 publication Critical patent/EP1298890B1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/021—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts using combined folding and rotation motions
    • H04M1/0212—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts using combined folding and rotation motions with a two degrees of freedom mechanism, i.e. folding around a first axis and rotating around a second axis perpendicular to the first
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0241—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings using relative motion of the body parts to change the operational status of the telephone set, e.g. switching on/off, answering incoming call

Definitions

  • the present invention relates to a portable information terminal such as a portable telephone and a personal digital terminal, and in particular to a portable information terminal of a novel foldable structure that has an unprecedented function by further developing a foldable structure.
  • a straight type and a foldable type have been used for the structure of a portable information terminal, particularly a portable telephone.
  • a portable telephone of a foldable structure type has been widely used and the demand for this has expanded because it can be accommodated in compact.
  • a typical example of the foldable portable telephone as shown in Fig. 1, is provided with a substantially oblong lower unit 100' disposed with an operation section 102' and an upper unit 200' of substantially the same shape having a rectangular display section 202', which are engaged together so as to be able to be freely opened and closed, by rotatably and axially connecting linear portions at respective one end of both units with a connection member 300' such that a operation section surface 101a faces a display unit fitting section 201a.
  • a display unit has a sufficient length in its longitudinal axis direction in order to take a large display area. Further, the directions of a operation section and display contents are determined with respect to a state where the operation section is positioned downward (frontward) at the open time.
  • a portable telephone has come to be utilized as a portable information terminal that has additional functions of a browser of the Internet, an e-mail transmission/reception terminal, and a schedule management, not only communications. Therefore, the display contents are wide including large quantity of character information and images, and increase in sizes of a display unit has been progressed.
  • a foldable apparatus like a PDA (Personal Digital Assistant), for example, having a display unit and a operation section disposed separately in two units that are connected to be freely opened and closed in a similar manner.
  • PDA Personal Digital Assistant
  • a "foldable portable electronic apparatus” is disclosed in Japanese Patent Application Laid-open Publication No. 11-30226, which tries to solve the above-described problem of the portable telephone of a foldable structure that it is necessary to open the upper and lower units in order to look at the display or carry out an operation, and it is not easy to handle the apparatus.
  • FIGS. 2A-2C show a foldable portable telephone described in the above publication No. 11-30226.
  • FIG. 2A is a perspective view in an opened state
  • FIG. 2B is a perspective view that shows a usual folded state
  • FIG. 2C is a perspective view that shows a reversed folded state.
  • reference numerals and symbols corresponding to those used in this publication are attached with a prime symbol " ' ".
  • a pivot 6' that makes it possible to reverse the front and back of a casing 2' at the display section is provided at a right angle to an axis portion 5a' of a hinge 5' that connects the casing 2' at the display section side with a casing 4' at the operation section side.
  • This publication also discloses a structure that the pivot 6' is provided with a rotation limiting mechanism that limits the rotation at a front and back reversing position, and a click stopping mechanism that holds a rotation limited state.
  • Japanese Patent Application Laid-open Publication No. 11-215218 also discloses a "portable radio communication apparatus" that tries to solve a similar problem.
  • FIGS. 3A-3C show a portable radio communication apparatus described in the above publication No. 11-215218.
  • FIG. 3A is a perspective view in a state that a casing at a display side is rotated in an opened state
  • FIG. 3B is a top plan view that shows a first posture that the apparatus is closed with the display set to the inside
  • FIG. 3C is a top plan view that shows a second posture that the apparatus is closed with the display exposed to the outside.
  • reference numerals and symbols corresponding to those used in this publication are attached with a prime symbol " ' ".
  • a hinge section 5' structured with a ball joint for example, is used to connect a second casing (a casing at a display section) 6' provided with a display 7' to a first casing 1' that forms a pair with the second casing so that they can be freely opened and closed and supported to rotate relatively in an opened state.
  • a portable radio communication apparatus 10' is allowed to be closed with the second casing 6' reversed.
  • Japanese Patent Application Laid-open Publication No. 2000-353030 proposes an "open/close type portable information terminal" such as a portable telephone that makes it possible to look at a display or carry out a simple operation without setting the upper and lower units to an opened state.
  • a display section casing having a display section and a operation section casing having a operation section are structured to be able to rotate freely by connecting respective one end of both casings with a rotation mechanism in a state that a display section surface faces the same direction as that of a operation section surface.
  • Operation keys that make it possible to look at the display section in a closed state, and carry out an operation in a closed state are provided in the display section casing. With this arrangement, it is possible to carry out a simple operation in a closed state.
  • a technique for solving the other problem that it is difficult to read sentences is disclosed in Japanese Patent Application Laid-open Publication No. 2001-156893.
  • This technique is designed as a communication display system to be provided with a display unit section that can rotate a liquid display unit from vertically oriented to horizontally oriented and vice versa, and a display switching section that changes over a display of the liquid display section from vertically oriented to horizontally oriented and vice versa in synchronization with the rotation of the display unit section.
  • a rotatable display unit section is fitted to a main body in the case of a bar-type portable telephone, and is fitted to an upper unit of a main body in the case of a foldable portable telephone.
  • the rotatable display unit section is axially supported rotatably in a plane parallel with a main body surface.
  • this publication also proposes a structure that a operation button is provided on a main body of the communication apparatus that appears after the display unit section has been rotated from vertical orientation to horizontal orientation.
  • Japanese Patent Application Laid-open Publication No. 7-202748 discloses a portable radio apparatus having a display section that does not rotate but having a casing simply divided into two flat casings which overlap each other and connected rotatably along a plane parallel to the flat surface thereof, allowing the casings to be folded when not used, resulting in improved portability.
  • Japanese Patent Application Laid-open Publication No. 5-211547 discloses a portable telephone also having a fixed display section, in which a casing having a transmitter is rotatably and axially supported relative to a main casing, and a connection surface of both casings is formed in a curve. With this arrangement, when opened, a receiver and the transmitter are in a distance and at an angle suitable for communications.
  • a foldable portable terminal is disclosed.
  • the portable terminal is equipped with an input part for inputting information, a display part which is used to monitor the operation state and displays received data, a receiver, a transmitter, a control part which controls the operation of the whole circuit, and a housing; and the input part is equipped with a 1st input part with numeric keys and function keys, the housing is divided into a 1st housing containing the 1st input part and the transmitter and a 2nd housing which includes a 2nd input part and the receiver and coupled by a hinge part, and the 1st and 2nd housings are freely foldable at the hinge part and turnably connected.
  • the present invention has been made to solve the above problems in the conventional portable telephone.
  • An object of the present invention is to provide a foldable portable information terminal that is a further improvement of the conventional foldable structure, to avoid the need of opening upper and lower units to see various displays and carry out corresponding operations, to display a large quantity of characters easy to read, and to improve display of various images, in a novel structure with improved operability compared to the conventional one.
  • the foldable portable information terminal can be folded and freely rotated with respect to a longitudinal direction of the second unit, so that it can be folded with the display section facing out. Therefore, without opening the terminal, the user can read a mail, look at a map or other image, or confirm a calling party on the display. Consequently, the user can immediately carry out the operation of receiving a call after judging the display contents in the closed state.
  • the terminal is folded with the display section facing out, it is possible to carry it in compact while looking at a map or the like on the screen, resulting in improved ease of use.
  • the first unit having the display section can be rotated in a display plane direction, it is possible to suitably display the contents of both vertically and horizontally orientations without increasing in size, that is, the same size as a conventional portable telephone.
  • a structure in which the connecting member occupies only at the center or in the vicinity of the center on the end section of the terminal increases the degree of freedom in designing, allowing the design of an unprecedented shape.
  • a portable information terminal such as a portable telephone having an upper unit and a lower unit such that a unit having a display section (hereinafter, an upper unit) and a unit having a operation section (hereinafter, a lower unit) are connected to be able to be freely opened and closed
  • a movable connecting member such as a biaxial hinge
  • a hinge section a movable connecting member that connects both units to each other.
  • the movable connecting member may be provided at the center position of the end portion of the upper unit and the lower unit, or may be provided at a position deviated from the center position.
  • FIG. 4A shows a state that the upper unit is extended to a horizontal orientation by facing the display surface outward.
  • FIG. 4B shows a structure of the vicinity of a biaxial hinge (movable connecting member) 300 used in the present embodiment.
  • a portable telephone 500 is composed mainly of three portions: a lower unit 100 that has a operation section; an upper unit 200 that has a display section; and the biaxial hinge 300 as a movable connecting member (a universal hinge section) that connects the lower unit 100 and the upper unit 200 allowing free rotation.
  • the lower unit 100 and the upper unit 200 have flat and oval shapes having predetermined thickness and the approximately same size.
  • the lower unit 100 and the upper unit 200 are mechanically connected via the biaxial hinge 300, which will be described in detail later.
  • the upper unit 200 can rotate freely relative to the lower unit 100 around the biaxial hinge.
  • the lower unit 100 and the upper unit 200 are electrically connected by an appropriate connection means via the biaxial hinge section.
  • An external case 101 of the lower unit 100 accommodates various electronic circuits encircled with a broken line 100A of FIG. 6. Each of the circuits will be described later.
  • An operation section is disposed on one surface (the operation surface) 101a of the lower unit 100 and is composed of a plurality of operation keys 102 to be used-to perform functions of the portable telephone 500. Further, an opening section for a microphone 103 is disposed at the front end of the same operation surface.
  • a first rotation axis 301 to be described later is rotatably fixed in a direction approximately perpendicular to the operation surface at the end portion of the lower unit and the center position in a width direction thereof with a predetermined distance (a distance of approximately a half of the thickness of the upper unit) from the edge of the lower unit in the vicinity of the base of the operation surface.
  • An external case 201 of the upper unit 200 accommodates various electronic circuits encircled with a broken line 200A in FIG. 6. Each of the circuits will be described later.
  • a display unit 202 having approximately a rectangular shape is disposed in vertical orientation on one surface (a display surface) of the upper unit.
  • a speaker 203 is disposed at the front end.
  • a small secondary display unit 206 is provided on the surface opposite to the display surface 201a (not shown in this figure).
  • a second rotation axis 302 is rotatably fitted to a position at approximately the center in a thickness direction of the upper unit on the base (the connection side) of the upper unit.
  • This second rotation axis 302 has its center rotatably connected to the end of the first rotation axis 301, and has brackets 303 and 303 fitted to both ends of the axis that extends to both sides.
  • the brackets 303 and 303 are securely fixed to the upper unit 200 from the inside.
  • the portable telephone 500 has such a structure that the two upper and lower units 200 and 100 are connected together with the biaxial hinge 300 that is structured to include the two orthogonal rotation axes 301 and 302 that can rotate independently, at the respective bases of the units.
  • This biaxial hinge 300 is structured to include a first rotation axis (hereinafter, a horizontal rotation axis) 301 made of metal that is accommodated within the lower unit 100, rotatably fixed to a base plate 304 made of metal, which is in turn fixed to the lower unit 100 from the inside, with its end protruding perpendicularly from the lower unit operation surface, and a second rotation axis (hereinafter, an open/close rotation axis) 302 made of metal that is horizontal (parallel with the lower unit), and pierces through the end portion of the horizontal rotation axis 301 at a right angle relative to the horizontal rotation axis 301, and is fixed rotatably.
  • a first rotation axis hereinafter, a horizontal rotation axis
  • base plate 304 made of metal
  • the open/close rotation axis 302 has a coiled click plate spring 305 and a ring-shaped click plate 306 made of metal loosely and windingly engaged with each of axis portions extended to both sides thereof.
  • a bracket 303 of an L-shaped metal plate is fixed to the front end of the extended axis portion at one end 303a thereof .
  • the other end 303b of each bracket 303 is a fitting wing 303c that has its L-shaped leg bent at a right angle, which appears to extend horizontally in the drawing.
  • the end of the horizontal rotation axis 301, the open/close rotation axis 302, and the brackets 303, 303 are accommodated in the upper unit 200. Fitting holes 303d provided on the fitting wing 303c are used to fix the brackets 303, 303 to the upper unit 200 from the inside.
  • the horizontal rotation axis 301 and the open/close rotation axis 302 can rotate independently within a limited range.
  • a restricting means (a stopper) is provided in each rotation axis mechanism so that a horizontal direction rotation range of the horizontal rotation axis 301 is restricted between -180° and +180°, and a rotation range of the open/close rotation axis 302 is restricted between 0° and 180°.
  • a horizontal rotation axis restricting means (a stopper) restricts a horizontal rotation. The open and close rotation is restricted by butting a click mechanism against the external cases.
  • the horizontal rotation axis restricting means will be described.
  • the base plate 304 is in approximately a rectangular shape, and one long side 304a is matched with a curve shape of a connection side end of the external case of the lower unit.
  • a long guide hole 304c of a predetermined width and a predetermined length is formed at the center of the other long side with a constant distance from the other long side 304b of the base plate 304.
  • the center portion of the long side 304b corresponding to the long guide hole 304c is cut away by a constant width.
  • Such a structure forms a guide bar 304d having a rectangular shape at its cross section in the long side 304b.
  • a horizontal rotation angle restricting stopper piece 307 is wound around this guide bar 304d so as to be slidable within a predetermined distance.
  • a stopping claw 307a (see FIG. 5D) is formed at the center of the lower side of the horizontal rotation angle restricting stopper piece 307 protruding towords the horizontal rotation axis 301 side.
  • a projection 301a that is engaged with the stopping claw 307a is fitted to a lower end of the horizontal rotation axis 301, and this rotates together with the horizontal rotation axis 301.
  • a horizontal direction rotation range (a rotation angle) of the upper unit is restricted.
  • the rotation angle is restricted to ⁇ 180° (rotates by 180° in the clockwise direction and in the counterclockwise direction from a completely folded state). Therefore, it is structured such that the horizontal rotation angle restricting stopper piece 307 slides by the width of the projection 301a of the horizontal rotation axis stopper.
  • Such an arrangement avoids the upper unit 200 excessively rotating by exceeding a folding position. It is preferable that a stopping mechanism is provided that holds the rotation angles with weak force corresponding to the normal communication position, the folding position, and intermediate positions between both positions (rotation angles +90° and -90°).
  • the click mechanism is a mechanism that generates a suction torque to an opened state and a closed state (a torque to suck to an open position and a close position near the open position and the close position), and generates a holding torque at these positions.
  • the click mechanism of the present embodiment is structured by the click plate 306 having a click plate projection 306a, a bracket groove 308, and the click plate spring 305.
  • the click plate 306 has the click plate projection 306a extending to the bracket side (outwardly).
  • Each of the brackets 303, 303 has the bracket groove 308 formed on its inside surface so as to be engaged with the click plate projection 306a when the bracket is at a predetermined rotation position.
  • the bracket groove 308 is provided at positions (angles, for example, 160° and 180°) at which a click is generated at the close position and open position.
  • the click plate spring 305 presses the click plate 306 against the bracket 303. This pressing force defines the click torque. In the drawing, it appears that the click plate spring 305 is separated from the click plate 306 because the drawing is partly omitted. However, actually, the spring 305 is mounted in a compressed state between the click plate 306 and the horizontal rotation axis 301 to energize the click plate 306 outwardly at all times. A click is generated when the click plate projection 306a drops into the bracket groove 308 at predetermined open and close positions. When the click plate projection 306a is not at a click generation position, an open and closed state (an extension angle) is held with weak force, based on frictional force between the click plate 306 and the bracket 303.
  • the upper unit and the lower unit can be electrically connected using a known method.
  • both units may be electrically connected by hollowing both the horizontal rotation axis and the open/close rotation axis and passing interconnection wires through the hollows.
  • an FPC flexible print circuit
  • an FPC flexible print circuit
  • the open/close rotation axis is rotatable relative to the horizontal rotation axis.
  • structure such that the open/close rotation axis and the horizontal rotation axis are firmly fixed, and a bracket is rotatably fixed to each of both ends of the horizontal axis.
  • This biaxial hinge structure can provide a second rotation axis acting as the open/close rotation axis composed of the axis portion and the bracket constitute. Such a structure is also included in the concept of the biaxial hinge in the present invention.
  • the portable telephone is structured to include an antenna 104, an RF circuit 105, a modem 106, a baseband processing circuit 107, a codec circuit 108, a control unit 109, a microphone 103, operation keys 102, a alert means 110, and three magnetic sensors 111a, 111b and 111c that detect a position of the upper unit (a posture relative to the lower unit).
  • These functional sections are mounted within the lower unit 100.
  • a means for detecting a position of the upper unit (a posture relative to the lower unit) is not restricted to the magnetic sensors (Hall elements) . It is also possible to use a reed switch or a known mechanical switch, for example.
  • the control unit 109 includes a rotation angle detector 112 that decides a rotation angle of the upper unit 200 based on the output of each magnetic sensor 111, an open/close detector 113 that detects an open/close state including a front/back state, a display controller 114 that controls a direction of display contents so as to reflect outputs of the rotation angle detector 112 and the open/close detector 113, a call arrival and termination controller 115 that can carry out a call arrival control operation corresponding to the open/close and movement operation of the upper unit, and an alert controller 116 that can control a call arrival notification corresponding to the open/close and movement operation of the upper unit.
  • the RF circuit 105 has a receiving circuit, a transmitting circuit, and a frequency synthesizer, which are not shown.
  • the operation keys 102 includes a transmission key, conversion keys for alphabet/Kana/Kanji/numeral, a power source on/off key, a cross key for cursor operation, and an end key.
  • the portable telephone of the embodiment is structured to include a speaker 203, a magnet 204a corresponding to the magnetic sensors 111a and 111b, a magnet 204c corresponding to the magnetic sensor 111c, a display unit (a liquid crystal display: LCD) 202 that becomes a main screen, and a touch panel mechanism 205, a secondary display unit 206, and a secondary operation key 207, which are built in the surface of the display unit 202. These functional sections are mounted on the upper unit.
  • the speaker 203 acts as a telephone receiver and also as an alert means 110.
  • the upper unit 200 can be opened and closed relative to the lower unit by rotating around the second rotation axis 302, and can rotate around the first rotation axis 301 relative to the lower unit 100. Therefore, although front and back surface direction of the upper unit 200 is limited to a direction parallel with the second rotation axis 302, the upper unit can pivot around the position of the first rotation axis to an arbitrary position on one surface side of the lower unit. Further, it is also possible to turn upside down on the same position. In other words, the lower unit 100 and the upper unit 200 can take various relative postures as demanded. At one of the predetermined stop positions, it is possible to hold a relative posture with the horizontal rotation axis restricting means and the click mechanism.
  • the magnetic sensors 111a, 111b and 111c and the magnets 204 cooperate to detect a relative position between the lower unit 100 and the upper unit 200. Installation positions of the magnetic sensors 111 and the magnets 204 will be described in detail.
  • three Hall elements (magnetic sensors) 111 are disposed inside the lower unit 100 with the sensitive sides of the sensors facing the operation surface side.
  • the two Hall elements 111a and 111b are disposed on the circumference of a predetermined radius around the horizontal rotation axis 301 and on two radius lines that each form an angle of 45° with respect to a long axis of the lower unit to form a central angle of 90° in the drawing.
  • the third Hall element 111c is disposed at a position shifting to one side in the front end of the lower unit.
  • the magnet 204a that has a semicircle shape and is magnetized in a thickness direction in the drawing is fitted along the circumference of the predetermined radius around the first rotation axis 301 inside the upper unit 200. Further, the magnet 204b is provided at a position corresponding to the Hall element 111c in the front end of the upper unit.
  • the magnetic sensors 111 may be disposed on the upper unit 200, and the magnets 204 may be disposed on the lower unit 100. It is essential that one of the magnetic sensor and the magnet forming a pair is disposed on the upper unit and the other is disposed on the lower unit. It is not always necessary to use a semicircle magnet, and separate magnets may be disposed at corresponding positions of the Hall elements 111a and 111b.
  • Lo1 indicates a position of the magnet 204a and Lo4 indicates a position of the magnet 204b in the case where both units are folded with the display surface exposed to the outside.
  • the respective Hall elements 111a, 111b, and 111c generate outputs and therefore a current state (position) of the upper unit can be determined based on the outputs from the rotation angle detector 112 and the open/close detector 113.
  • Lo2 indicates a position of the magnet 204a when rotated by 90° in a clockwise direction in the drawing.
  • the Hall element 111b generates an output and thereby a state (position) of the upper unit can be determined.
  • Lo3 indicates a position of the magnet 204a when further rotated by 90° in the clockwise direction in the drawing (a normal communication position). In this case, no output is obtained from any one the Hall elements. Therefore, it is possible to decide a state (position) of the upper unit.
  • the position of the magnet 204a also becomes Lo1 (the direction of the magnetic field becomes opposite in case of FIG.8).
  • the position of the magnet 204c becomes Lo4' which does not coincide with the Hall element 111c, it is possible to determine that both units are in the folded state with the display surface facing inside.
  • the Hall element also detects a direction of the magnetic field of the magnet, it is possible to decide various kinds of position without providing the Hall element 111c and the magnet 204b, and it is possible to detect a finer difference in position.
  • the lower unit and the upper unit can take various mutual positions (relative postures) as demanded. Particularly, at stop positions as shown in FIGS. 9A-9D, it is possible to hold the relative position.
  • the portable telephone is folded as the conventional case, which is compact and convenient to carry. Further, the display surface is protected without being exposed to outside.
  • the secondary display section 206 provides a minimum display for information.
  • FIG. 9B shows a state (a normal communication state) that the upper unit 200 is erected and extended from the state of FIG. 9A. In this state, confirmation of the display, various kinds of operation, and communications can be performed in a similar manner to that of the conventional portable telephone.
  • FIG. 9C shows a state that the upper unit 200 is rotated by approximately 90 degrees in the clockwise direction from the state shown in FIG. 9B, for example, along a plane parallel with the operation surface 101a of the lower unit 100. At this time, the display section is horizontally oriented. The state of FIG. 9C is also obtained when the upper unit is rotated in the counterclockwise direction by sliding it from the folded state of FIG. 9D.
  • this positional relationship is detected by the above-described position detecting means, which causes the display controller 114 to convert the display contents to be displayed on the display unit 202 into a horizontally oriented display (the left and right direction of the display contents matches the long side direction of the display unit).
  • FIG. 10A shows a display example (an image) of the display unit 202 in a state that the horizontally oriented contents information is displayed on the horizontally oriented screen. As shown in FIG. 10A, the whole display image of the horizontally long contents is displayed on the horizontally oriented screen.
  • the vertically oriented contents can be displayed as it is in the vertically oriented position of the display section as shown in FIGS. 9B and 9D, and further it is also possible to display the center portion of a horizontally oriented image together with additional information by a predetermined operation or setting.
  • FIG. 10B shows another display example of the display unit 202 that horizontally long contents information is displayed on the vertically oriented display screen as shown in FIGS. 9B and 9D.
  • both units can take the above-described various positions
  • the direction-included operation by a key such as a direction instructing key (cursor key) matches the display direction corresponding to each of the above-described various positions.
  • a "direction key" in the operation keys 102 of the lower unit 100 is used to move a cursor or select a menu item.
  • the "direction key” corresponding to one of directions D1-D4 is depressed, a processing in a corresponding one of directions D1'-D4' is carried out on the display screen.
  • a move direction by the operation key 102 (the direction key) is changed so as to match the top, bottom, left and right of the display unit 202 of the upper unit 200 as shown in FIG. 11B.
  • the processing in a corresponding one of directions D1" to D4" that are different from the above directions is carried out on the horizontally oriented display screen.
  • the operation instructed by an operation key is suitably changed depending on the changeover between vertical and horizontal orientations of the display unit.
  • the portable telephone of the embodiment it is possible to look at the display by rotating the display unit to a desired direction in the opened state, and carry out a desired operation.
  • the upper unit 200 and the lower unit 100 also become in an approximately orthogonal state within approximately the same plane, and the display unit becomes horizontally oriented with respect to the top and bottom directions of the operation surface.
  • such a positional relation of the upper unit and the lower unit can be detected by the above-described position detecting means, which causes the display controller 114 to convert the display contents to be displayed on the display unit 202 to a horizontally oriented display, that is, the left and right direction of the display contents matches the long side direction of the display unit, which is an opposite direction to the direction shown in FIG. 9C. Further, the processing instructed by a predetermined operation key is appropriately changed as described before.
  • the portable telephone it is also possible to set the upper and lower units to a closed state such that the display unit faces out, which is opposite to the usual state that the display unit is accommodated inside when closed.
  • the upper unit 200 is folded to the lower unit 100 with the display surface of the upper unit 200 facing out.
  • the portable telephone becomes compact and becomes convenient for carrying it.
  • the second operation section 207 since the second operation section 207 is exposed to the outside, it is possible to carry out a desired operation in response to the display contents by using the second operation section 207.
  • Such a folded state as shown in FIG. 9D is detected by the above-described upper unit position detecting means, which causes the display contents on the display unit to turn upside down.
  • the direction-included operation by a key such as a direction instructing key (cursor key) matches the display direction.
  • the antenna 104 receives a radio signal from a base station, and transmits a radio signal.
  • a radio signal received by the antenna 104 is output to a receiving circuit of the RF circuit 105.
  • the receiving circuit selects a signal of a frequency indicated by a frequency synthesizer, and determines whether the selected signal includes a signal notifying of an incoming call to its own terminal (standby reception).
  • the receiving circuit When the receiving circuit has detected a signal that notifies a call arrival to the own terminal, the receiving circuit notifies the call arrival to the control unit 109.
  • the control unit 109 receives the notification from the receiving circuit that there is a call arrival to the own terminal, and drives the alert means 110 such as a beeper, a vibrator and/or a light-emitting diode to notify the user by sound, vibration and/or light blinking of the occurrence of an incoming call to the own terminal.
  • the alert means 110 such as a beeper, a vibrator and/or a light-emitting diode to notify the user by sound, vibration and/or light blinking of the occurrence of an incoming call to the own terminal.
  • a user can set the portable telephone to a mode such that, when it is detected that the upper unit and the lower unit are opened in a normal communication position, the call arrival and termination controller 115 automatically sets the operation to an off-hook state to connect the telephone line.
  • the reception signal transmitted from a call originating terminal is output to the modem (modem) 106 via the RF circuit 105.
  • the call arrival and termination controller 115 stops the alert operation.
  • the modem 106 demodulates the reception signal to produce a baseband reception signal and output it to the baseband processing circuit 107.
  • the baseband processing circuit 107 processes the baseband reception signal and outputs it to the codec circuit 108.
  • the codec circuit 108 decodes the baseband reception signal to output a sound signal to the speaker (telephone receiver) 203, which outputs sound waves.
  • the codec circuit 108 also encodes a sound signal received by the microphone 103 to output a transmission signal to the baseband processing circuit 107 and the transmission signal is transmitted to the destination through the modem 106 and the RF circuit 105. With this arrangement, the user can carry out communications immediately after the upper and lower units are opened.
  • the telephone line is connected upon the off-hook operation of the user with a communication start key to allow communication.
  • the unit position detector detects this position change, and the call arrival and termination controller automatically sets the operation state to the on-hook state (communication termination processing) .
  • the same communication termination can be made by the user operating a predetermined termination key for off-hook in the normal communication position.
  • the portable telephone monitors whether the selected signal includes a signal indicating transmission of character data to its own terminal (standby reception).
  • the control unit 109 automatically receives the transmitted character data without waiting for the off-hook operation, and displays information in the display unit 202 based on the received data.
  • the alert controller 116 drives the alert means 110 such as a beeper or a vibrator in a predetermined fashion different from that at the occurrence of an incoming call to notify the user that character data or graphics data has been received.
  • a signal carrying character data received from the call originating terminal is output to the modem 106 via the RF circuit 105, and is demodulated by the modem 106.
  • the demodulated signal enters the baseband processing circuit 107, which extracts character data from the demodulated signal, to output it to the control unit 109.
  • the control unit 109 includes the a CPU, a ROM storing programs, data necessary to process various kinds of processing, and character font data, a RAM used as a work area, a Video RAM to display information on the display unit 202, and the display controller 114 that controls the display unit 202 and/or the secondary display 206.
  • the display controller 114 forms character information or graphic information to be displayed on the display unit 202 (or the secondary display unit 206 if necessary) based on data received from the baseband processing circuit 107.
  • the portable telephone can create message data and transmit it to a destination.
  • alphabet letters and Katakana characters are allocated to dial operation keys such as 0 to 9, *, and # that are provided on the operation section 102, and these keys include a conversion key for alphabet/Kana/Kanji/numeral conversion. It is possible to input message data and transmit it to a destination designated by the user operating these dial operation keys and the conversion key.
  • the display unit 202 when character data or graphics data is transmitted or received, the display unit 202 can be rotated to set the display to be horizontally long or horizontally oriented, making it easy to read displayed information, compared with the case of a vertically oriented screen.
  • the display unit 202 When character data or graphics data has been received, it is possible to use the display unit 202 as a horizontally oriented display unit as shown in FIG. 9C if the user wishes.
  • the display controller 114 displays the display contents on the display unit 202 by converting the contents so as to match the direction of the horizontally oriented screen.
  • the upper unit 202 may be fixed to be reversed left to right, which is opposite to that in FIG. 9C.
  • the display controller 114 also displays the contents on the display unit 202 by converting the contents to match the direction of the horizontally oriented screen. Further, the processing instructed by a predetermined operation key is appropriately changed as described before.
  • this portable telephone it is possible to transmit and receive character data or graphics data in the state that the upper unit and the lower unit are folded with the display unit 202 facing out.
  • the user in the folded state with the display unit 202 facing out, the user can see the display unit 202 as it is.
  • the secondary operation keys 207 are also exposed to the external surface, when character data or graphics data has been received, it is possible to confirm the display instantly, and it is also possible to carry out a simple response operation in a state that the portable telephone is closed.
  • the display controller 114 displays the display contents on the display unit 202 by converting the contents to match the direction of the display screen that is reversed, the user can look at the display and carry out a response operation in the manner that the user is used to holding the terminal in the hand.
  • the portable telephone according to the present embodiment can provide the following advantages.
  • a conventional foldable portable telephone that is commercially available cannot see the main display without opening it.
  • the portable telephone can be folded with the display section facing out. Therefore, without opening the portable telephone, the user can read a mail, look at a map or other image, or confirm a calling party on the display. Consequently, the user can immediately carry out the operation of receiving a telephone call after judging the display contents in the closed state.
  • the portable telephone is folded with the display section facing out, it is possible to carry it in compact while looking at a map or the like on the screen.
  • the portable telephone is folded with the display section facing in as in the conventional case, it is possible to carry the portable telephone with protecting the display section. Further, by rotating the display unit to vertical orientation, it is possible to display the contents in a desired one of vertically oriented and horizontally oriented states with one portable telephone having the same size as the conventional one.
  • FIGS. 12A-12D show different positions of of a portable information terminal according to the second embodiment of the present invention.
  • the portable telephone 500A according to the present embodiment is also composed mainly of three portions including a lower unit 100 that has an operation section, an upper unit 200 that has a display section, and a biaxial hinge 300' as a movable connecting member that connects the lower unit 100 and the upper unit 200 so as to be freely rotatable.
  • the present embodiment is characterized in that the biaxial hinge (movable connecting member) 300' is located at a position deviated from the center position at the end of the upper unit and the lower unit.
  • the other members and their structure are similar to those of the first embodiment, and therefore, their descriptions will be omitted.
  • members similar to those of the first embodiment are denoted by the same reference numerals or symbols.
  • FIG. 12A shows a state that the units are folded with the display surface of the upper unit 200 facing the lower unit 100.
  • FIG. 12B shows a state (a normal communication state) that the upper unit 200 is erected and extended from the state of FIG. 12A.
  • FIG. 12C shows a state that the upper unit 200 is rotated by approximately 90 degrees in the clockwise direction from the state shown in FIG. 12B, for example, along a plane parallel with the operation surface 101a of the lower unit 100.
  • FIG. 12D shows a state that the upper unit 200 is folded to the lower unit 100 with the display surface of the upper unit 200 facing out.
  • the biaxial hinge (movable connecting member) 300' is located at a position deviated from the center position on the end of the upper unit and the lower unit. Therefore, particularly as shown in FIG. 12D, a part of operation keys 102, which is denoted by reference symbol 102b, is exposed in a state that the upper unit 200 is folded to the lower unit 100 with the display surface of the upper unit 200 facing out. In this state, the exposed part 102b of the operation keys 102 can be operated to which a predetermined key function is allocated. It is possible to suitably carry out a desired operation with the exposed part of the operation key 102a, thereby to improve the operability of the portable information terminal. In this structure, the secondary operation key 207 may be omitted.
  • FIGS. 13A-13D show different positions of a portable information terminal according to a third embodiment of the present invention.
  • a portable telephone 500B according to the present embodiment has a main structure similar to that of the first embodiment and therefore has similar appearance and mechanics.
  • members similar to those of the first embodiment are denoted by the same reference numerals or symbols and their descriptions will be omitted.
  • the present embodiment is characterized by control of a touch panel function.
  • FIG. 13A shows a state that the units are folded with the display surface of the upper unit 200 facing the lower unit 100.
  • FIG. 13B shows a state (a normal communication state) that the upper unit 200 is erected and extended from the state of FIG. 13A.
  • FIG. 13C shows a state that the upper unit 200 is rotated by approximately 90 degrees in the clockwise direction from the state shown in FIG. 13B, for example, along a plane parallel with the operation surface 101a of the lower unit 100.
  • FIG. 13D shows a state that the upper unit 200 is folded to the lower unit 100 with the display surface of the upper unit 200 facing out.
  • a shaded area of the display section 202 in each of FIGS 13B-13D shows an example of a touch panel function enabled area 202t.
  • the control unit 109 is further provided with a touch panel controller 208, which performs a touch panel control such that the touch panel function of the display unit 202 is made active or inactive.
  • the touch panel controller 208 changes a touch panel function enabled area 202t of the display unit 202 depending on which one of a plurality of positions of the upper unit 200 and the lower unit 100 is currently taken.
  • the touch panel controller 208 switches each portion of the full screen of the display unit 202 between active and inactive depending on a position of the upper unit 200 and the lower unit 100, which is one of a plurality of predetermined stop positions.
  • the control unit 109 is provided with a memory (RAM) that previously stores the settings of a touch panel function enabled area 202t of the display unit 202, each settings corresponding to an opened state, a display horizontal-orientation state, and a closed state (display facing out) of the stop position between the upper unit 200 and the lower unit 100.
  • RAM memory
  • the shaded lower portion of the display section in the vertically oriented display state is set to a touch panel function enabled area 202t.
  • the shaded lower portion of the horizontally oriented display section is set to a touch panel function enabled area 202t.
  • the full screen of the display section is set to a touch panel function enabled area 202t.
  • the control unit 109 monitors sensor outputs of the magnetic sensors to detect a current position of the upper and lower units: open, close or rotation positions (step S101).
  • a current position of the upper and lower units open, close or rotation positions
  • step S101 When the current position has been detected (YES at step S101), it is determined whether the detected position is a stop position (1.) (step S102).
  • step S102 When it is the stop position (1.) (YES at step S102), a touch panel enabled area is changed to the lower portion in the vertically oriented display state (step S104) .
  • it is determined whether the detected position is a stop position (2.) (step S103).
  • a touch panel enabled area is changed to the lower portion in the horizontally oriented display state (step S105).
  • a touch panel enabled area is set to the full screen of the display section (step S106) .
  • the touch panel enabled area 202t of the display unit 202 is changed between the lower portion and the full screen of the display section depending on which one of the plurality of stop positions is detected.
  • the enabled area may be expressed as a number of rows in a predetermined character size display, instead of a zone (area) of the display section.
  • the settings stored in the memory (RAM) may be arbitrarily determined by a user.
  • the hinge section (movable connecting member) may be designed in a structure different from the above-described embodiments. It is essential that the connecting member can connect the upper unit to the lower unit so that the upper unit can be freely rotated, opened and closed to allow a desired relative position thereof as described above.
  • Other members may be modified within the technical scope of the present invention.
  • the display unit is not limited to an LCD, and may use an electro luminescent (EL) .
  • operation buttons may be provided on the side surface of the upper unit as a secondary operation section.
  • the present invention has been explained taking a portable telephone as embodiments, the present invention is not limited to the portable telephone. It is also possible to apply the present invention to a portable information terminal such as a PDA, provided that the operation section and the display section are separated and foldable, which can achieve similar operations and effects as described above.
  • a portable information terminal such as a PDA
  • the portable information terminal according to the present invention can provide the following advantages.
  • a conventional foldable portable telephone that is commercially available cannot see the main display without opening it.
  • the portable telephone can be folded and freely rotated with respect to a longitudinal direction of the lower unit, so that it can be folded with the display section facing out. Therefore, without opening the portable telephone, the user can read a mail, look at a map or other image, or confirm a calling party on the display. Consequently, the user can immediately carry out the operation of receiving a telephone call after judging the display contents in the closed state.
  • the portable telephone is folded with the display section facing out, it is possible to carry it in compact while looking at a map or the like on the screen, resulting in improved ease of use.
  • the upper unit having the display section can be rotated in a display plane direction, it is possible to suitably display the contents of both vertically and horizontally orientations without increasing in size, that is, the same size as the conventional portable telephone.
  • connection section occupies only the center portion increases the degree of freedom in designing, allowing the design of an unprecedented shape.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Telephone Function (AREA)
  • Casings For Electric Apparatus (AREA)
  • Mobile Radio Communication Systems (AREA)

Claims (23)

  1. Klappbarer, tragbarer Informationsanschluss (500) mit:
    einer ersten Einheit (200) mit einem Anzeigeabschnitt (202) auf einer ihrer Seiten,
    einer zweiten Einheit (100) mit einem Betriebsabschnitt (102) auf ihrer Betätigungsfläche (101a),
    einem biaxialen Scharnier (300), das die erste Einheit (200) und die zweite Einheit (100) mechanisch koppelt, wobei der Anschluss dadurch gekennzeichnet ist, dass das biaxiale Scharnier (300) aufweist:
    eine erste Drehachse (301), die mit der zweiten Einheit (100) derart gekoppelt ist, dass die erste Drehachse (301) senkrecht zur Betriebsfläche (102) der zweiten Einheit (100) steht, und
    eine zweite Drehachse (302), die mit der ersten Einheit (200) so gekoppelt ist, dass die erste Einheit (200) ausgebildet ist, um um die zweite Drehachse (302) zu drehen, wobei die zweite Drehachse (302) orthogonal zu der ersten Drehachse (301) gekoppelt ist und ausgebildet ist, um um die erste Drehachse (301) zu drehen, wodurch es der ersten Einheit (200) möglich ist, geöffnet zu werden, geschlossen zu werden und mit Bezug auf die Betriebsfläche (101a) der zweiten Einheit (100) frei drehbar zu sein.
  2. Klappbarer, tragbarer Informationsanschluss (500) nach Anspruch 1, wobei die erste Drehachse (301) auf der Betriebsfläche (101a) der zweiten Einheit (100) in der Nähe ihres einen Endes gesichert und drehbar vorgesehen ist und
    wobei die zweite Drehachse (302) in der Nähe eines Vorderendes der ersten Drehachse (301) vorgesehen ist, um die erste Einheit (200) axial und drehbar zu tragen.
  3. Klappbarer, tragbarer Informationsanschluss (500A) nach Anspruch 1 oder 2, wobei das biaxiale Scharnier (300') feststehend in einer Position angeordnet ist, die vom Zentrum an einem Ende der Betriebsflächen (101a) der zweiten Einheit (100) abweicht.
  4. Klappbarer, tragbarer Informationsanschluss (500) nach Anspruch 1 mit ferner:
    einem ersten Stoppmechanismus, der ausgebildet ist, die erste Einheit (200) und die zweite Einheit (100) in einer vorgegebenen Drehposition zu halten, und
    einem zweiten Stoppmechanismus, der ausgebildet ist, die erste Einheit (200) und die zweite Einheit (100) in einem vorgegebenen Öffnungs- und Schließzustand anzuhalten.
  5. Klappbarer, tragbarer Informationsanschluss (500) nach Anspruch 4 mit ferner:
    einem Drehantriebsmechanismus, der ausgebildet ist, die erste Einheit (200) und die zweite Einheit (100) von der Nähe der vorgegebenen Drehposition in eine Stoppzustandsposition anzutreiben, und
    einem Öffnungs- und Schließtreibermechanismus, der ausgebildet ist, die erste Einheit (200) und die zweite Einheit (100) von der Nähe der vorgegebenen Öffnungs- und Schließzustandsposition in eine Stoppzustandsposition anzutreiben.
  6. Klappbarer, tragbarer Informationsanschluss (500) nach Anspruch 1 mit ferner:
    einem Beschränkungsmittel, das ausgebildet ist, den Bereich der Drehung der ersten Einheit (200) mit Bezug auf die zweite Einheit (100) innerhalb eines vorgegebenen Drehwinkelbereichs zu beschränken, und
    einem zweiten Beschränkungsmittel, das ausgebildet ist, die erste Einheit (200) und die zweite Einheit (100) innerhalb eines vorgegebenen Öffnungs- und Schließwinkelbereiches zu beschränken.
  7. Klappbarer, tragbarer Informationsanschluss (500) nach Anspruch 6, wobei der Drehbereich der ersten Einheit (200) innerhalb eines Drehwinkelbereiches von -180° bis +180° beschränkt ist.
  8. Klappbarer, tragbarer Informationsanschluss (500) nach Anspruch 1, wobei die erste Einheit (200) ferner einen Zusatzanzeigeabschnitt (206) auf ihrer anderer Seite aufweist.
  9. Klappbarer, tragbarer Informationsanschluss (500) nach Anspruch 1 mit ferner einem Positionsdetektor (112, 113), der ausgebildet ist, einen Öffnungs- und Schließzustand und eine Drehpositionsbeziehung der ersten Einheit (200) und der zweiten Einheit (100) festzustellen.
  10. Klappbarer, tragbarer Informationsanschluss (500) nach Anspruch 9, wobei der Positionsdetektor (112, 113) aufweist:
    Eine Anzahl von Magnetfeldgeneratoren (204a, 204b), die jeweils in vorgegebenen Positionen innerhalb einer der ersten und zweiten Einheit (200, 100) vorgesehen sind,
    eine Anzahl von Magnetfelddetektoren (111 a, 111 b, 111 c), die jeweils in vorgegebenen Positionen innerhalb der anderen der ersten und zweiten Einheiten (200, 100) vorgesehen sind, die den Magnetfeldgeneratoren (204a, 204b) entsprechen, und
    einen Positionsbestimmungsabschnitt, der ausgebildet ist, um eine Position der ersten Einheit (200) basierend auf der Erfassung von Signalen der Magnetfelddetektoren (204a, 204b) zu erfassen, wobei jedes Erfassungssignal abhängig von einer Positionsbeziehung zwischen der ersten Einheit (200) und der zweiten Einheit (100) variiert.
  11. Klappbarer, tragbarer Informationsanschluss (500) nach Anspruch 9 oder 10 mit ferner:
    einer Anzeigesteuerung (114), die ausgebildet ist, um den Anzeigeabschnitt (202) mit näherungsweise rechteckiger Form derart zu steuern, dass der Anzeigemodus für den Anzeigeabschnitt (202) sich abhängig von einer Positionsbeziehung zwischen der ersten Einheit (200) und der zweiten Einheit (100) ändert.
  12. Klappbarer, tragbarer Informationsanschluss (500) nach Anspruch 11, wobei die Anzeigesteuerung (114) ausgebildet ist, die Richtung des Anzeigeinhaltes auf dem Anzeigeabschnitt (202) derart zu ändern, dass die Richtung des Anzeigeinhaltes mit der Längsachse der zweiten Einheit (100) übereinstimmt, unabhängig von der Längsrichtung des Anzeigeabschnittes (202), die eine der Parallelrichtung und der rechtwinkligen Richtung mit Bezug auf die Längsrichtung der zweiten Einheit (100) ist.
  13. Klappbarer, tragbarer Informationsanschluss (500) nach Anspruch 11, wobei die Anzeigesteuerung ausgebildet ist, die Richtung des Anzeigeinhaltes auf dem Anzeigeabschnitt (202) derart zu ändern, dass die Richtung des Anzeigeinhaltes mit einer Position der zweiten Einheit (100) in einem Zustand übereinstimmt, in dem die erste Einheit (200) und die zweite Einheit (100) geschlossen sind, wobei der Anzeigeabschnitt (202) nach au-ßen weist.
  14. Klappbarer, tragbarer Informationsanschluss (500A) nach Anspruch 3, wobei ein Teil des Betriebsabschnittes (102) auf der zweiten Einheit (100) in einem Zustand frei liegt, in dem die erste Einheit (200) und die zweite Einheit (100) geschlossen sind, wobei die Anzeigeabschnitte (202) nach außen weisen, wobei eine vorgegebene Funktion jeder Taste, der in dem Teil des Betriebsabschnittes (102) enthalten ist, zugewiesen ist.
  15. Klappbarer, tragbarer Informationsanschluss (500) nach Anspruch 1, wobei die erste Einheit (200) einen zweiten Betriebsabschnitt (207) aufweist, der nach außen weist, wenn die erste Einheit (200) und die zweite Einheit (100) geschlossen sind, wobei der Anzeigeabschnitt (202) nach außen weist, so dass der zweite Betriebsabschnitt (207) ausgebildet ist, zur Durchührung einer Menüoperation, einer Bildoperation und eines ankommenden Anrufes verwendet werden kann, wobei visuell die Anzeigeinhalte auf dem Anzeigeabschnitt (202) bestätigt werden.
  16. Klappbarer, tragbarer Informationsanschluss (500B) nach Anspruch 15, wobei der zweite Betriebsabschnitt (207) ein Touchpanel (202t) ist, das auf der Anzeigefläche des Anzeigeabschnittes (202) vorgesehen ist.
  17. Klappbarer, tragbarer Informationsanschluss (500B) nach Anspruch 15 oder 16, wobei der zweite Betriebsabschnitt (207) zumindest einen Betätigungsknopf aufweist, der auf der Seitenfläche der ersten Einheit vorgesehen ist.
  18. Klappbarer, tragbarer Informationsanschluss (500), wobei eine direkte Betätigung, die unter Verwendung des Betriebsabschnittes (102) durchgeführt wird, abhängig von der Positionsbeziehung zwischen der ersten Einheit (200) und der zweiten Einheit (100) geändert wird.
  19. Klappbarer, tragbarer Informationsanschluss (500) nach Anspruch 18, wobei eine Richtung, die durch eine Richtungsanzeigetaste auf dem Betriebsabschnitt (102) angegeben wird, abhängig von einer Positionsbeziehung zwischen der ersten Einheit (200) und der zweiten Einheit (100), die ein geöffneter Zustand, ein gedrehter Zustand und ein geschlossener Zustand mit dem Anzeigeabschnitt (202) nach außen weisend sind, geändert wird.
  20. Klappbarer, tragbarer Informationsanschluss (500B) nach Anspruch 16 mit ferner:
    einer Touchpanel-Funktionssteuerung (208) zum Ändern eines Touchpanelfunktions-Freigabebereiches auf den Touchpanel (202t) auf der Anzeigefläche abhängig von einer Positionsbeziehung zwischen der ersten Einheit (200) und der zweiten Einheit (100)
  21. Klappbarer, tragbarer Informationsanschluss (500) nach Anspruch 1, wobei der Anzeigeabschnitt (202) in einem Zustand, in dem die erste Einheit (200) und die zweite Einheit (100) mit dem Anzeigeabschnitt (202) nach innen weisend geschlossen sind, das Anzeigen- und das Rückbeleuchten beendet wird.
  22. Klappbarer, tragbarer Informationsanschluss (500) nach Anspruch 9 mit ferner:
    einer Alarmvorrichtung (110) zur Erzeugung eines Alarms für zumindest einen ankommenden Ruf durch Verwendung von Ton, Vibration, Licht und/oder dem Anzeigeabschnitt (202) und
    einer Alarmsteuerung (116), die ausgebildet ist, um die Alarmvorrichtung so zu steuern, dass, wenn der Positionsdetektor erfasst, dass die erste Einheit (200) und die zweite Einheit (100) in eine normale Gesprächsposition geschoben sind in einem Zustand, dass die Alarmvorrichtung (110) für einen ankommenden Ruf alarmiert, die Alarmsteuerung (116) die Alarmvorrichtung (110) das Alarmieren beendet.
  23. Klappbarer, tragbarer Informationsanschluss (500) nach Anspruch 9 mit ferner:
    einer Rufankunfts- und Beendigungssteuerung (115), die ausgebildet ist, eine Steuerung derart durchzuführen, dass der klappbare, tragbare Informationsanschluss (500) abgehängt wird, wenn der Positionsdetektor erfasst, dass die erste Einheit (200) und die zweite Einheit (100) in eine normale Gesprächsposition bei dem Auftreten eines ankommenden Rufes verschoben werden, und aufgehängt wird, wenn der Positionsdetektor erfasst, dass die erste Einheit (200) und die zweite Einheit (100) von der normalen Gesprächsposition in eine andere Position verschoben werden, nachdem der Ruf beendet wurde.
EP02021875A 2001-09-28 2002-09-30 Tragbares und klappbares Informationsendgerät Expired - Fee Related EP1298890B1 (de)

Applications Claiming Priority (4)

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JP2001303959 2001-09-28
JP2001303959 2001-09-28
JP2002189488A JP2003174495A (ja) 2001-09-28 2002-06-28 折り畳み式携帯情報端末
JP2002189488 2002-06-28

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EP1298890A2 EP1298890A2 (de) 2003-04-02
EP1298890A3 EP1298890A3 (de) 2004-04-28
EP1298890B1 true EP1298890B1 (de) 2006-07-19

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EP (1) EP1298890B1 (de)
JP (3) JP2003174495A (de)
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HK (1) HK1055040A1 (de)

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JP4544170B2 (ja) 2010-09-15
US8572812B2 (en) 2013-11-05
HK1055040A1 (en) 2003-12-19
CN1411253A (zh) 2003-04-16
DE60213178T2 (de) 2007-07-12
JP4683292B2 (ja) 2011-05-18
US20030064758A1 (en) 2003-04-03
CN1213585C (zh) 2005-08-03
US7499737B2 (en) 2009-03-03
US20110028190A1 (en) 2011-02-03
JP2006211690A (ja) 2006-08-10
EP1298890A2 (de) 2003-04-02
JP2006207819A (ja) 2006-08-10
DE60213178D1 (de) 2006-08-31
JP2003174495A (ja) 2003-06-20
US8082633B2 (en) 2011-12-27
US20090093283A1 (en) 2009-04-09

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